
Mill-Thread Technical Section A\ (B>VX Recommended Select for Thread Milling Long Mill-Thread Insert Speed and Feed Selection TTIM45B Material Hardness Vc (m/min) Feed Rate (mm) Sub-Micron Grade with Titanium Aluminum Nitride multi-layer coating (ISO P20-P30, K10 - K20). This is a general purpose grade, which can be used with all materials; itshould be run at medium to high cutting speeds.P Low alloy steel (alloyingelements <5%) < HB180 100-200 0.10-0.30 Steel High alloy steel (alloying elements> 5%), cast steel, and tool steelHB180-28070-170 0.10-0.30 M Stainless steel 8t Cast steel < HB200 90-140 0.10-0.30 Stainless steel Mill-Thread Insert Speed and Feed Selection K Cast iron Nodular (GGG) HB160-260 100-120 0.05-0.30Grey cast iron (GG)Tensile Strength< 350Mpa80-1000.05-0.30 Cast iron Malleable cast iron HB130-230 80-100 0.05-0.30 Material Hardness Vc (m/min) Feed Rate (mm) N Aluminum alloy CHB100 80-400 0.10-0.40Copper and cooper alloy< HB100100-2000.10-0.40 Non- ferrous alloy Non metallic 100-250 0.10-0.40 P Low alloy steel (alloyingelements <5%) < HB180 80-160High alloy steel (alloying elements >Steel5%),cast steel, and tool steelHB180-28060-100sHigh Temperature. Alloys, Super Alloys 10-30 0.04-0.10Heat resistantTitanium Alloy20-900.04-0.10 material M Stainless steel 8t Cast steel < HB200 130-190Stainless steel H Hardened steel HRC45-55 15-40 0.06-0.12 Hardened K Cast iron Nodular (GGG) HB160-260 80-100Grey cast iron (GG)Tensile Strength< 350Mpa80-100 material Cast iron Malleable cast iron HB130-230 100-120 0.05-0.15 N Aluminum alloyCopper and cooper alloy < HB100 180-340< HB100100-200 Non- ferrous alloy Non metallic 115-460 s High Temperature. Alloys, Super Alloys 20-40 Heat resistant Titanium Alloy 25-90 material H Hardened steel HRC45-55 20-45 Hardened material 339 340